package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import lombok.Data;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 条件查询
     *
     * @param shoppingCart
     * @return
     */

    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 更新商品数量
     *
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 添加购物车
     *
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor,number, amount, create_time) " +
            "VALUES (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime}) ")
    void insert(ShoppingCart shoppingCart);


    /**
     * 根据当前用户id清空购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id = #{currentId}")
    void deleteByUserId(Long currentId);

    /**
     * 删除购物车中的数据
     * @param shoppingCart
     * @return
     */
    void deleteByIds(ShoppingCart shoppingCart);

    /**
     * 批量插入购物车数据
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
